Siemens 3RT2535-1NP30 Power Contactor AC-3, 35 A, 18.5 kW, 4-Pole, 175–280 V AC/DC, Size S2 Original Brand New

Overview

The Siemens 3RT2535-1NP30 is a high-performance power contactor engineered for reliable motor switching and control in industrial applications. Designed for AC-3 duty up to 35 A and 18.5 kW at 400 V, this 4-pole contactor delivers exceptional durability, precision, and efficiency. Equipped with an integrated varistor, it provides superior protection against voltage spikes, ensuring long-lasting operation and reduced maintenance.

With a compact Size S2 design, robust 2 NO + 2 NC main contacts, additional 1 NO + 1 NC auxiliary contacts, and secure screw terminals, this Siemens contactor is ideal for a wide range of electrical control systems. Its wide control voltage range of 175–280 V AC/DC (50/60 Hz) ensures flexible installation in modern control panels.

Key Features

• AC-3 rated: 35 A, 18.5 kW at 400 V

• 4-pole contactor for broader system compatibility

• Integrated varistor for overvoltage protection

• Control voltage: 175–280 V AC/DC at 50/60 Hz

• Main contacts: 2 NO + 2 NC

• Auxiliary contacts: 1 NO + 1 NC

• Reliable screw terminal connection

• Compact Size S2 design

Benefit

• Enhanced protection from voltage spikes thanks to the built-in varistor

• Long service life with Siemens’ proven contactor technology

• Flexible installation in various industrial environments

• Stable and secure connections using screw terminal design

• Ideal for motor control applications in automation systems

Function / Application

The Siemens 3RT2535-1NP30 is designed for switching three-phase motors, resistive loads, and general-purpose industrial equipment. It is widely used in:

• Motor starters

• Industrial automation systems

• Conveyor systems

• Pumps and compressors

• HVAC and building control systems

• Control cabinets and panel assemblies

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